/Engine/Plugins/MovieScene/MovieRenderPipeline/Source/MovieRenderPipelineCore/Public/Graph/MovieGraphNode.h
Gets the descriptions of properties which can be dynamically added to the node. These types of properties do not correspond to a UPROPERTY defined on the node itself.
virtual [TArray](API\Runtime\Core\Containers\TArray)< [FPropertyBagPropertyDesc](API\Plugins\StructUtils\FPropertyBagPropertyDesc) > GetDynamicPropertyDescriptions() const